2/7 times 21 = 6
2/21
2 / 21/24 = 2 2/7 or 2 and two sevenths
Four sevenths of 21 is 12.
21
2/21
52/21 or 2 and 10/21
2/3 + 2/7 = 14/21 + 6/21 = 20/21
3 / 1/7 = 3 x 7 = 21 Therefore, there are 21 sevenths in three wholes.
42 147/7 = 21 21 x 2 = 42
2/7 of 21 is 6.
18/21= eighteen twenty oneths